static void Main(string[] args)        {            Random r = new Random();            while (true)            {                ConsoleProgressBar bar = new ConsoleProgressBar("测试ConsoleApplication ProgressBar");                int c = r.Next(534);                for (int i = 1; i <= c; i++)                {                    bar.Update(i, c, string.Format("完成进度：{0}/{1}", i, c));                    System.Threading.Thread.Sleep(10);                }                Console.WriteLine("Contiue?(y/n)");                string s=Console.ReadLine();                if (s.Equals("n",StringComparison.InvariantCultureIgnoreCase))                    break;            }        }

 public class ConsoleProgressBar    {        int left = 0;        int backgroundLength = 50;        #region [ window api ]        ConsoleColor colorBack = Console.BackgroundColor;        ConsoleColor colorFore = Console.ForegroundColor;        private const int STD_OUTPUT_HANDLE = -11;        private int mHConsoleHandle;        COORD barCoord;        [StructLayout(LayoutKind.Sequential)]        public struct COORD        {            public short X;            public short Y;            public COORD(short x, short y)            {                X = x;                Y = y;            }        }        [StructLayout(LayoutKind.Sequential)]        struct SMALL_RECT        {            public short Left;            public short Top;            public short Right;            public short Bottom;        }        [StructLayout(LayoutKind.Sequential)]        struct CONSOLE_SCREEN_BUFFER_INFO        {            public COORD dwSize;            public COORD dwCursorPosition;            public int wAttributes;            public SMALL_RECT srWindow;            public COORD dwMaximumWindowSize;        }        [DllImport("kernel32.dll", EntryPoint = "GetStdHandle", SetLastError = true, CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        private static extern int GetStdHandle(int nStdHandle);        [DllImport("kernel32.dll", EntryPoint = "GetConsoleScreenBufferInfo", SetLastError = true, CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        private static extern int GetConsoleScreenBufferInfo(int hConsoleOutput, out CONSOLE_SCREEN_BUFFER_INFO lpConsoleScreenBufferInfo);        [DllImport("kernel32.dll", EntryPoint = "SetConsoleCursorPosition", SetLastError = true, CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]        private static extern int SetConsoleCursorPosition(int hConsoleOutput, COORD dwCursorPosition);        public void SetCursorPos(short x, short y)        {            SetConsoleCursorPosition(mHConsoleHandle, new COORD(x, y));        }        public COORD GetCursorPos()        {            CONSOLE_SCREEN_BUFFER_INFO res;            GetConsoleScreenBufferInfo(mHConsoleHandle, out res);            return res.dwCursorPosition;        }        #endregion        public ConsoleProgressBar(string title, int left = 10)        {            Console.WriteLine();            //获取当前窗体句柄            mHConsoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);            //获取当前窗体偏移量            barCoord = this.GetCursorPos();            this.left = left;            //获取字符长度            int len = GetStringLength(title);            //设置标题的相对居中位置            Console.SetCursorPosition(left + (backgroundLength / 2 - len), barCoord.Y);            Console.Write(title);            //写入进度条背景            Console.BackgroundColor = ConsoleColor.DarkCyan;            Console.SetCursorPosition(left, barCoord.Y + 1);            for (int i = 0; ++i <= backgroundLength; )                Console.Write(" ");            Console.WriteLine();            Console.BackgroundColor = colorBack;        }        /// <summary>        /// 更新进度条        /// </summary>        /// <param name="current">当前进度</param>        /// <param name="total">总进度</param>        /// <param name="message">说明文字</param>        public void Update(int current, int total, string message)        {            //计算百分比            int i = (int)Math.Ceiling(current / (double)total * 100);            Console.BackgroundColor = ConsoleColor.Yellow;            Console.SetCursorPosition(left, barCoord.Y + 1);            //写入进度条            StringBuilder bar = new StringBuilder();            //当前百分比*进度条总长度=要输出的进度最小单位数量            int count = (int)Math.Ceiling((double)i / 100 * backgroundLength);            for (int n = 0; n < count; n++) bar.Append(" ");            Console.Write(bar);            //设置和写入百分比            Console.BackgroundColor = colorBack;            Console.ForegroundColor = ConsoleColor.Green;            Console.SetCursorPosition(left + backgroundLength, barCoord.Y + 1);            Console.Write(" {0}% ", i);            Console.ForegroundColor = colorFore;            //获取字符长度            int len = GetStringLength(message);            //获取相对居中的message偏移量            Console.SetCursorPosition(left + (backgroundLength / 2 - len), barCoord.Y + 2);            Console.Write(message);            //进度完成另起新行作为输出            if (i >= 100) Console.WriteLine();        }        /// <summary>        /// 获取字符长度        /// </summary>        /// <remarks>中文和全角占长度1，英文和半角字符2个字母占长度1</remarks>        /// <param name="message"></param>        /// <returns></returns>        private int GetStringLength(string message)        {            int len = Encoding.ASCII.GetBytes(message).Count(b => b == 63);            return (message.Length - len) / 2 + len;        }    }